Watch List notes:

M. Sergius Silus. 116-115 BC. AR Denarius (18mm, 3.95 g, 6h). Rome mint. Helmeted head of Roma right; mark of value to left / Soldier on horseback rearing left, holding sword and severed head of barbarian; Q below. Crawford 286/1; Sydenham 544; Sergia 1a; RBW 1115. VF, lightly toned, small edge cut, short scratch in obverse field.

From the Jonathan P. Rosen Collection.